Home / 75,114.53-103,681.11-43,304.60

Finding the Fourth Proportional to 75,114.53, 103,681.11 and 43,304.60

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Solution

The fourth proportional to 75,114.53, 103,681.11 and 43,304.60 is: 59,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,114.53 : 103,681.11 = 43,304.60 : x
  2. Step 2: Convert to fraction form
    75,114.53/103,681.11 = 43,304.60/x
  3. Step 3: Cross multiply
    75,114.53x = 103,681.11 × 43,304.60
  4. Step 4: Simplify right side
    75,114.53x = 4,489,868,996.11
  5. Step 5: Solve for x
    x = 4,489,868,996.11/75,114.53
  6. Step 6: Final answer
    x = 59,773.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.